The Brian Jonestown Massacre Vs. Themselves
This revered West Coast neo-psychedelic outfit wasn’t content to fight members of the audience or over aggressive bouncers but instead enjoyed beating the tar out of each other.

Radio Moscow: The Guitarist Vs. The Drummer
They say you should always end your show with a bang, which in this case was the sound the guitar made when it smashed the guitarist in the face leading to not just the end of the show but the end of the band as well.